Transmission Rate Control over Randomly Varying Channels

Authors:
Gauresh Rajadhyaksha;Vivek S. Borkar
Affiliations:
Department of Electrical and Computer Engineering, University of Texas, Austin, TX 78712, E-mail: gaureshr@mail.utexas.edu;School of Technology and Computer Science, Tata Institute of Fundamental Research, Mumbai 400005 India, E-mail: borkar@tifr.res.in
Venue:
Probability in the Engineering and Informational Sciences
Year:
2005

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Abstract

The problem of controlling transmission rate over a randomly varying channel is cast as a Markov decision process wherein the channel is modeled as a Markov chain. The objective is to minimize a cost that penalizes both buffer occupancy (equivalently, delay) and power. The nature of the optimal policy is characterized using techniques adapted from classical inventory control.